package main

import "fmt"

func main() {
	testRune()
}

func testRune() {
	var _rune []rune
	_string := "hello"
	_rune = []rune(_string)

	fmt.Printf("_rune=%v\n", len(_rune))

	_rune[0] = '1'
	_string = string(_rune)
	fmt.Printf("_string=%v\n", _string)

}
